Finding the Fourth Proportional to 306,130.04, 422,460.99 and 170,176.60
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Solution
The fourth proportional to 306,130.04, 422,460.99 and 170,176.60 is: 234,844.56
Step by Step Solution
- Step 1: Write the proportion equation
306,130.04 : 422,460.99 = 170,176.60 : x - Step 2: Convert to fraction form
306,130.04/422,460.99 = 170,176.60/x - Step 3: Cross multiply
306,130.04x = 422,460.99 × 170,176.60 - Step 4: Simplify right side
306,130.04x = 71,892,971,947.65 - Step 5: Solve for x
x = 71,892,971,947.65/306,130.04 - Step 6: Final answer
x = 234,844.56
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.